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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals --global-value-regex "![0-9]+" --version 22; Test -hwasan-with-ifunc flag.3;4; RUN: opt -passes=hwasan -S < %s | FileCheck %s5; RUN: opt -passes=hwasan -S -hwasan-mapping-offset-dynamic=tls -hwasan-record-stack-history=instr < %s | FileCheck %s --check-prefixes=NOIFUNC-TLS-HISTORY6; RUN: opt -passes=hwasan -S -hwasan-mapping-offset-dynamic=tls -hwasan-record-stack-history=none < %s | FileCheck %s --check-prefixes=NOIFUNC-TLS-NOHISTORY7; RUN: opt -passes=hwasan -S -hwasan-mapping-offset-dynamic=global -hwasan-with-frame-record=0 < %s | FileCheck %s --check-prefixes=NOIFUNC-NOTLS8; RUN: opt -passes=hwasan -S -hwasan-mapping-offset-dynamic=ifunc -hwasan-with-frame-record=0 < %s | FileCheck %s --check-prefixes=IFUNC-NOTLS9; RUN: opt -passes=hwasan -S -mtriple=aarch64-fuchsia < %s | FileCheck %s --check-prefixes=FUCHSIA10; RUN: opt -passes=hwasan -S -mtriple=aarch64-fuchsia -hwasan-record-stack-history=libcall < %s | FileCheck %s --check-prefixes=FUCHSIA-LIBCALL11 12target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"13target triple = "aarch64--linux-android22"14 15 16define i32 @test_load(ptr %a) sanitize_hwaddress {17; First instrumentation in the function must be to load the dynamic shadow18; address into a local variable.19; "store i64" is only used to update stack history (this input IR intentionally does not use any i64)20; W/o any allocas, the history is not updated, even if it is enabled explicitly with -hwasan-record-stack-history=121; CHECK-LABEL: define i32 @test_load22; CHECK-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {23; CHECK-NEXT: entry:24; CHECK-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)25; CHECK-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2)26; CHECK-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 427; CHECK-NEXT: ret i32 [[X]]28;29; NOIFUNC-TLS-HISTORY-LABEL: define i32 @test_load30; NOIFUNC-TLS-HISTORY-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {31; NOIFUNC-TLS-HISTORY-NEXT: entry:32; NOIFUNC-TLS-HISTORY-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)33; NOIFUNC-TLS-HISTORY-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2)34; NOIFUNC-TLS-HISTORY-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 435; NOIFUNC-TLS-HISTORY-NEXT: ret i32 [[X]]36;37; NOIFUNC-TLS-NOHISTORY-LABEL: define i32 @test_load38; NOIFUNC-TLS-NOHISTORY-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {39; NOIFUNC-TLS-NOHISTORY-NEXT: entry:40; NOIFUNC-TLS-NOHISTORY-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)41; NOIFUNC-TLS-NOHISTORY-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2)42; NOIFUNC-TLS-NOHISTORY-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 443; NOIFUNC-TLS-NOHISTORY-NEXT: ret i32 [[X]]44;45; NOIFUNC-NOTLS-LABEL: define i32 @test_load46; NOIFUNC-NOTLS-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {47; NOIFUNC-NOTLS-NEXT: entry:48; NOIFUNC-NOTLS-NEXT: [[TMP0:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 849; NOIFUNC-NOTLS-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[TMP0]], ptr [[A]], i32 2)50; NOIFUNC-NOTLS-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 451; NOIFUNC-NOTLS-NEXT: ret i32 [[X]]52;53; IFUNC-NOTLS-LABEL: define i32 @test_load54; IFUNC-NOTLS-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {55; IFUNC-NOTLS-NEXT: entry:56; IFUNC-NOTLS-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)57; IFUNC-NOTLS-NEXT: call void @llvm.hwasan.check.memaccess(ptr [[DOTHWASAN_SHADOW]], ptr [[A]], i32 2)58; IFUNC-NOTLS-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 459; IFUNC-NOTLS-NEXT: ret i32 [[X]]60;61; FUCHSIA-LABEL: define i32 @test_load62; FUCHSIA-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {63; FUCHSIA-NEXT: entry:64; FUCHSIA-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null)65; FUCHSIA-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules.fixedshadow(ptr [[A]], i32 2, i64 0)66; FUCHSIA-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 467; FUCHSIA-NEXT: ret i32 [[X]]68;69; FUCHSIA-LIBCALL-LABEL: define i32 @test_load70; FUCHSIA-LIBCALL-SAME: (ptr [[A:%.*]]) #[[ATTR0:[0-9]+]] {71; FUCHSIA-LIBCALL-NEXT: entry:72; FUCHSIA-LIBCALL-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null)73; FUCHSIA-LIBCALL-NEXT: call void @llvm.hwasan.check.memaccess.shortgranules.fixedshadow(ptr [[A]], i32 2, i64 0)74; FUCHSIA-LIBCALL-NEXT: [[X:%.*]] = load i32, ptr [[A]], align 475; FUCHSIA-LIBCALL-NEXT: ret i32 [[X]]76;77entry:78 %x = load i32, ptr %a, align 479 ret i32 %x80}81 82declare void @use(ptr %p)83 84define void @test_alloca() sanitize_hwaddress {85; First instrumentation in the function must be to load the dynamic shadow86; address into a local variable.87; When watching stack history, all code paths attempt to get PC and SP and mix them together.88; CHECK-LABEL: define void @test_alloca89; CHECK-SAME: () #[[ATTR0]] {90; CHECK-NEXT: entry:91; CHECK-NEXT: [[TMP0:%.*]] = call ptr @llvm.thread.pointer.p0()92; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 4893; CHECK-NEXT: [[TMP2:%.*]] = load i64, ptr [[TMP1]], align 894; CHECK-NEXT: [[TMP3:%.*]] = ashr i64 [[TMP2]], 395; CHECK-NEXT: [[TMP4:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1:![0-9]+]])96; CHECK-NEXT: [[TMP5:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)97; CHECK-NEXT: [[TMP6:%.*]] = ptrtoint ptr [[TMP5]] to i6498; CHECK-NEXT: [[TMP7:%.*]] = shl i64 [[TMP6]], 4499; CHECK-NEXT: [[TMP8:%.*]] = or i64 [[TMP4]], [[TMP7]]100; CHECK-NEXT: [[TMP9:%.*]] = inttoptr i64 [[TMP2]] to ptr101; CHECK-NEXT: store i64 [[TMP8]], ptr [[TMP9]], align 8102; CHECK-NEXT: [[TMP10:%.*]] = ashr i64 [[TMP2]], 56103; CHECK-NEXT: [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 12104; CHECK-NEXT: [[TMP12:%.*]] = xor i64 [[TMP11]], -1105; CHECK-NEXT: [[TMP13:%.*]] = add i64 [[TMP2]], 8106; CHECK-NEXT: [[TMP14:%.*]] = and i64 [[TMP13]], [[TMP12]]107; CHECK-NEXT: store i64 [[TMP14]], ptr [[TMP1]], align 8108; CHECK-NEXT: [[TMP15:%.*]] = or i64 [[TMP2]], 4294967295109; CHECK-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP15]], 1110; CHECK-NEXT: [[TMP16:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to ptr111; CHECK-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP6]], 56112; CHECK-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16113; CHECK-NEXT: [[TMP17:%.*]] = xor i64 [[TMP3]], 0114; CHECK-NEXT: [[TMP18:%.*]] = ptrtoint ptr [[X]] to i64115; CHECK-NEXT: [[TMP19:%.*]] = and i64 [[TMP18]], 72057594037927935116; CHECK-NEXT: [[TMP20:%.*]] = shl i64 [[TMP17]], 56117; CHECK-NEXT: [[TMP21:%.*]] = or i64 [[TMP19]], [[TMP20]]118; CHECK-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP21]] to ptr119; CHECK-NEXT: [[TMP22:%.*]] = trunc i64 [[TMP17]] to i8120; CHECK-NEXT: [[TMP23:%.*]] = ptrtoint ptr [[X]] to i64121; CHECK-NEXT: [[TMP24:%.*]] = and i64 [[TMP23]], 72057594037927935122; CHECK-NEXT: [[TMP25:%.*]] = lshr i64 [[TMP24]], 4123; CHECK-NEXT: [[TMP26:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP25]]124; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP26]], i8 [[TMP22]], i64 1, i1 false)125; CHECK-NEXT: call void @use(ptr [[X_HWASAN]])126; CHECK-NEXT: [[TMP27:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8127; CHECK-NEXT: [[TMP28:%.*]] = ptrtoint ptr [[X]] to i64128; CHECK-NEXT: [[TMP29:%.*]] = and i64 [[TMP28]], 72057594037927935129; CHECK-NEXT: [[TMP30:%.*]] = lshr i64 [[TMP29]], 4130; CHECK-NEXT: [[TMP31:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP30]]131; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP31]], i8 [[TMP27]], i64 1, i1 false)132; CHECK-NEXT: ret void133;134; NOIFUNC-TLS-HISTORY-LABEL: define void @test_alloca135; NOIFUNC-TLS-HISTORY-SAME: () #[[ATTR0]] {136; NOIFUNC-TLS-HISTORY-NEXT: entry:137; NOIFUNC-TLS-HISTORY-NEXT: [[TMP0:%.*]] = call ptr @llvm.thread.pointer.p0()138; NOIFUNC-TLS-HISTORY-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[TMP0]], i32 48139; NOIFUNC-TLS-HISTORY-NEXT: [[TMP2:%.*]] = load i64, ptr [[TMP1]], align 8140; NOIFUNC-TLS-HISTORY-NEXT: [[TMP3:%.*]] = ashr i64 [[TMP2]], 3141; NOIFUNC-TLS-HISTORY-NEXT: [[TMP4:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1:![0-9]+]])142; NOIFUNC-TLS-HISTORY-NEXT: [[TMP5:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)143; NOIFUNC-TLS-HISTORY-NEXT: [[TMP6:%.*]] = ptrtoint ptr [[TMP5]] to i64144; NOIFUNC-TLS-HISTORY-NEXT: [[TMP7:%.*]] = shl i64 [[TMP6]], 44145; NOIFUNC-TLS-HISTORY-NEXT: [[TMP8:%.*]] = or i64 [[TMP4]], [[TMP7]]146; NOIFUNC-TLS-HISTORY-NEXT: [[TMP9:%.*]] = inttoptr i64 [[TMP2]] to ptr147; NOIFUNC-TLS-HISTORY-NEXT: store i64 [[TMP8]], ptr [[TMP9]], align 8148; NOIFUNC-TLS-HISTORY-NEXT: [[TMP10:%.*]] = ashr i64 [[TMP2]], 56149; NOIFUNC-TLS-HISTORY-NEXT: [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 12150; NOIFUNC-TLS-HISTORY-NEXT: [[TMP12:%.*]] = xor i64 [[TMP11]], -1151; NOIFUNC-TLS-HISTORY-NEXT: [[TMP13:%.*]] = add i64 [[TMP2]], 8152; NOIFUNC-TLS-HISTORY-NEXT: [[TMP14:%.*]] = and i64 [[TMP13]], [[TMP12]]153; NOIFUNC-TLS-HISTORY-NEXT: store i64 [[TMP14]], ptr [[TMP1]], align 8154; NOIFUNC-TLS-HISTORY-NEXT: [[TMP15:%.*]] = or i64 [[TMP2]], 4294967295155; NOIFUNC-TLS-HISTORY-NEXT: [[HWASAN_SHADOW:%.*]] = add i64 [[TMP15]], 1156; NOIFUNC-TLS-HISTORY-NEXT: [[TMP16:%.*]] = inttoptr i64 [[HWASAN_SHADOW]] to ptr157; NOIFUNC-TLS-HISTORY-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP6]], 56158; NOIFUNC-TLS-HISTORY-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16159; NOIFUNC-TLS-HISTORY-NEXT: [[TMP17:%.*]] = xor i64 [[TMP3]], 0160; NOIFUNC-TLS-HISTORY-NEXT: [[TMP18:%.*]] = ptrtoint ptr [[X]] to i64161; NOIFUNC-TLS-HISTORY-NEXT: [[TMP19:%.*]] = and i64 [[TMP18]], 72057594037927935162; NOIFUNC-TLS-HISTORY-NEXT: [[TMP20:%.*]] = shl i64 [[TMP17]], 56163; NOIFUNC-TLS-HISTORY-NEXT: [[TMP21:%.*]] = or i64 [[TMP19]], [[TMP20]]164; NOIFUNC-TLS-HISTORY-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP21]] to ptr165; NOIFUNC-TLS-HISTORY-NEXT: [[TMP22:%.*]] = trunc i64 [[TMP17]] to i8166; NOIFUNC-TLS-HISTORY-NEXT: [[TMP23:%.*]] = ptrtoint ptr [[X]] to i64167; NOIFUNC-TLS-HISTORY-NEXT: [[TMP24:%.*]] = and i64 [[TMP23]], 72057594037927935168; NOIFUNC-TLS-HISTORY-NEXT: [[TMP25:%.*]] = lshr i64 [[TMP24]], 4169; NOIFUNC-TLS-HISTORY-NEXT: [[TMP26:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP25]]170; NOIFUNC-TLS-HISTORY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP26]], i8 [[TMP22]], i64 1, i1 false)171; NOIFUNC-TLS-HISTORY-NEXT: call void @use(ptr [[X_HWASAN]])172; NOIFUNC-TLS-HISTORY-NEXT: [[TMP27:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8173; NOIFUNC-TLS-HISTORY-NEXT: [[TMP28:%.*]] = ptrtoint ptr [[X]] to i64174; NOIFUNC-TLS-HISTORY-NEXT: [[TMP29:%.*]] = and i64 [[TMP28]], 72057594037927935175; NOIFUNC-TLS-HISTORY-NEXT: [[TMP30:%.*]] = lshr i64 [[TMP29]], 4176; NOIFUNC-TLS-HISTORY-NEXT: [[TMP31:%.*]] = getelementptr i8, ptr [[TMP16]], i64 [[TMP30]]177; NOIFUNC-TLS-HISTORY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP31]], i8 [[TMP27]], i64 1, i1 false)178; NOIFUNC-TLS-HISTORY-NEXT: ret void179;180; NOIFUNC-TLS-NOHISTORY-LABEL: define void @test_alloca181; NOIFUNC-TLS-NOHISTORY-SAME: () #[[ATTR0]] {182; NOIFUNC-TLS-NOHISTORY-NEXT: entry:183; NOIFUNC-TLS-NOHISTORY-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)184; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)185; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64186; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 20187; NOIFUNC-TLS-NOHISTORY-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]188; NOIFUNC-TLS-NOHISTORY-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56189; NOIFUNC-TLS-NOHISTORY-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16190; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0191; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64192; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935193; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP6:%.*]] = shl i64 [[TMP3]], 56194; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]]195; NOIFUNC-TLS-NOHISTORY-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr196; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8197; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64198; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935199; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP11:%.*]] = lshr i64 [[TMP10]], 4200; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP11]]201; NOIFUNC-TLS-NOHISTORY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP12]], i8 [[TMP8]], i64 1, i1 false)202; NOIFUNC-TLS-NOHISTORY-NEXT: call void @use(ptr [[X_HWASAN]])203; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP13:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8204; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP14:%.*]] = ptrtoint ptr [[X]] to i64205; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP15:%.*]] = and i64 [[TMP14]], 72057594037927935206; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP16:%.*]] = lshr i64 [[TMP15]], 4207; NOIFUNC-TLS-NOHISTORY-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP16]]208; NOIFUNC-TLS-NOHISTORY-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP17]], i8 [[TMP13]], i64 1, i1 false)209; NOIFUNC-TLS-NOHISTORY-NEXT: ret void210;211; NOIFUNC-NOTLS-LABEL: define void @test_alloca212; NOIFUNC-NOTLS-SAME: () #[[ATTR0]] {213; NOIFUNC-NOTLS-NEXT: entry:214; NOIFUNC-NOTLS-NEXT: [[TMP0:%.*]] = load ptr, ptr @__hwasan_shadow_memory_dynamic_address, align 8215; NOIFUNC-NOTLS-NEXT: [[TMP1:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)216; NOIFUNC-NOTLS-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64217; NOIFUNC-NOTLS-NEXT: [[TMP3:%.*]] = lshr i64 [[TMP2]], 20218; NOIFUNC-NOTLS-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP2]], [[TMP3]]219; NOIFUNC-NOTLS-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP2]], 56220; NOIFUNC-NOTLS-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16221; NOIFUNC-NOTLS-NEXT: [[TMP4:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0222; NOIFUNC-NOTLS-NEXT: [[TMP5:%.*]] = ptrtoint ptr [[X]] to i64223; NOIFUNC-NOTLS-NEXT: [[TMP6:%.*]] = and i64 [[TMP5]], 72057594037927935224; NOIFUNC-NOTLS-NEXT: [[TMP7:%.*]] = shl i64 [[TMP4]], 56225; NOIFUNC-NOTLS-NEXT: [[TMP8:%.*]] = or i64 [[TMP6]], [[TMP7]]226; NOIFUNC-NOTLS-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP8]] to ptr227; NOIFUNC-NOTLS-NEXT: [[TMP9:%.*]] = trunc i64 [[TMP4]] to i8228; NOIFUNC-NOTLS-NEXT: [[TMP10:%.*]] = ptrtoint ptr [[X]] to i64229; NOIFUNC-NOTLS-NEXT: [[TMP11:%.*]] = and i64 [[TMP10]], 72057594037927935230; NOIFUNC-NOTLS-NEXT: [[TMP12:%.*]] = lshr i64 [[TMP11]], 4231; NOIFUNC-NOTLS-NEXT: [[TMP13:%.*]] = getelementptr i8, ptr [[TMP0]], i64 [[TMP12]]232; NOIFUNC-NOTLS-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP13]], i8 [[TMP9]], i64 1, i1 false)233; NOIFUNC-NOTLS-NEXT: call void @use(ptr [[X_HWASAN]])234; NOIFUNC-NOTLS-NEXT: [[TMP14:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8235; NOIFUNC-NOTLS-NEXT: [[TMP15:%.*]] = ptrtoint ptr [[X]] to i64236; NOIFUNC-NOTLS-NEXT: [[TMP16:%.*]] = and i64 [[TMP15]], 72057594037927935237; NOIFUNC-NOTLS-NEXT: [[TMP17:%.*]] = lshr i64 [[TMP16]], 4238; NOIFUNC-NOTLS-NEXT: [[TMP18:%.*]] = getelementptr i8, ptr [[TMP0]], i64 [[TMP17]]239; NOIFUNC-NOTLS-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP18]], i8 [[TMP14]], i64 1, i1 false)240; NOIFUNC-NOTLS-NEXT: ret void241;242; IFUNC-NOTLS-LABEL: define void @test_alloca243; IFUNC-NOTLS-SAME: () #[[ATTR0]] {244; IFUNC-NOTLS-NEXT: entry:245; IFUNC-NOTLS-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr @__hwasan_shadow)246; IFUNC-NOTLS-NEXT: [[TMP0:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)247; IFUNC-NOTLS-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[TMP0]] to i64248; IFUNC-NOTLS-NEXT: [[TMP2:%.*]] = lshr i64 [[TMP1]], 20249; IFUNC-NOTLS-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP1]], [[TMP2]]250; IFUNC-NOTLS-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP1]], 56251; IFUNC-NOTLS-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16252; IFUNC-NOTLS-NEXT: [[TMP3:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0253; IFUNC-NOTLS-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[X]] to i64254; IFUNC-NOTLS-NEXT: [[TMP5:%.*]] = and i64 [[TMP4]], 72057594037927935255; IFUNC-NOTLS-NEXT: [[TMP6:%.*]] = shl i64 [[TMP3]], 56256; IFUNC-NOTLS-NEXT: [[TMP7:%.*]] = or i64 [[TMP5]], [[TMP6]]257; IFUNC-NOTLS-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP7]] to ptr258; IFUNC-NOTLS-NEXT: [[TMP8:%.*]] = trunc i64 [[TMP3]] to i8259; IFUNC-NOTLS-NEXT: [[TMP9:%.*]] = ptrtoint ptr [[X]] to i64260; IFUNC-NOTLS-NEXT: [[TMP10:%.*]] = and i64 [[TMP9]], 72057594037927935261; IFUNC-NOTLS-NEXT: [[TMP11:%.*]] = lshr i64 [[TMP10]], 4262; IFUNC-NOTLS-NEXT: [[TMP12:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP11]]263; IFUNC-NOTLS-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP12]], i8 [[TMP8]], i64 1, i1 false)264; IFUNC-NOTLS-NEXT: call void @use(ptr [[X_HWASAN]])265; IFUNC-NOTLS-NEXT: [[TMP13:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8266; IFUNC-NOTLS-NEXT: [[TMP14:%.*]] = ptrtoint ptr [[X]] to i64267; IFUNC-NOTLS-NEXT: [[TMP15:%.*]] = and i64 [[TMP14]], 72057594037927935268; IFUNC-NOTLS-NEXT: [[TMP16:%.*]] = lshr i64 [[TMP15]], 4269; IFUNC-NOTLS-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[DOTHWASAN_SHADOW]], i64 [[TMP16]]270; IFUNC-NOTLS-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP17]], i8 [[TMP13]], i64 1, i1 false)271; IFUNC-NOTLS-NEXT: ret void272;273; FUCHSIA-LABEL: define void @test_alloca274; FUCHSIA-SAME: () #[[ATTR0]] personality ptr @__hwasan_personality_thunk {275; FUCHSIA-NEXT: entry:276; FUCHSIA-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null)277; FUCHSIA-NEXT: [[TMP0:%.*]] = load i64, ptr @__hwasan_tls, align 8278; FUCHSIA-NEXT: [[TMP1:%.*]] = ashr i64 [[TMP0]], 3279; FUCHSIA-NEXT: [[TMP2:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1:![0-9]+]])280; FUCHSIA-NEXT: [[TMP3:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)281; FUCHSIA-NEXT: [[TMP4:%.*]] = ptrtoint ptr [[TMP3]] to i64282; FUCHSIA-NEXT: [[TMP5:%.*]] = shl i64 [[TMP4]], 44283; FUCHSIA-NEXT: [[TMP6:%.*]] = or i64 [[TMP2]], [[TMP5]]284; FUCHSIA-NEXT: [[TMP7:%.*]] = inttoptr i64 [[TMP0]] to ptr285; FUCHSIA-NEXT: store i64 [[TMP6]], ptr [[TMP7]], align 8286; FUCHSIA-NEXT: [[TMP8:%.*]] = ashr i64 [[TMP0]], 56287; FUCHSIA-NEXT: [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 12288; FUCHSIA-NEXT: [[TMP10:%.*]] = xor i64 [[TMP9]], -1289; FUCHSIA-NEXT: [[TMP11:%.*]] = add i64 [[TMP0]], 8290; FUCHSIA-NEXT: [[TMP12:%.*]] = and i64 [[TMP11]], [[TMP10]]291; FUCHSIA-NEXT: store i64 [[TMP12]], ptr @__hwasan_tls, align 8292; FUCHSIA-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP4]], 56293; FUCHSIA-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16294; FUCHSIA-NEXT: [[TMP13:%.*]] = xor i64 [[TMP1]], 0295; FUCHSIA-NEXT: [[TMP14:%.*]] = ptrtoint ptr [[X]] to i64296; FUCHSIA-NEXT: [[TMP15:%.*]] = and i64 [[TMP14]], 72057594037927935297; FUCHSIA-NEXT: [[TMP16:%.*]] = shl i64 [[TMP13]], 56298; FUCHSIA-NEXT: [[TMP17:%.*]] = or i64 [[TMP15]], [[TMP16]]299; FUCHSIA-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP17]] to ptr300; FUCHSIA-NEXT: [[TMP18:%.*]] = trunc i64 [[TMP13]] to i8301; FUCHSIA-NEXT: [[TMP19:%.*]] = ptrtoint ptr [[X]] to i64302; FUCHSIA-NEXT: [[TMP20:%.*]] = and i64 [[TMP19]], 72057594037927935303; FUCHSIA-NEXT: [[TMP21:%.*]] = lshr i64 [[TMP20]], 4304; FUCHSIA-NEXT: [[TMP22:%.*]] = inttoptr i64 [[TMP21]] to ptr305; FUCHSIA-NEXT: [[TMP23:%.*]] = getelementptr i8, ptr [[TMP22]], i32 0306; FUCHSIA-NEXT: store i8 4, ptr [[TMP23]], align 1307; FUCHSIA-NEXT: [[TMP24:%.*]] = getelementptr i8, ptr [[X]], i32 15308; FUCHSIA-NEXT: store i8 [[TMP18]], ptr [[TMP24]], align 1309; FUCHSIA-NEXT: call void @use(ptr [[X_HWASAN]])310; FUCHSIA-NEXT: [[TMP25:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8311; FUCHSIA-NEXT: [[TMP26:%.*]] = ptrtoint ptr [[X]] to i64312; FUCHSIA-NEXT: [[TMP27:%.*]] = and i64 [[TMP26]], 72057594037927935313; FUCHSIA-NEXT: [[TMP28:%.*]] = lshr i64 [[TMP27]], 4314; FUCHSIA-NEXT: [[TMP29:%.*]] = inttoptr i64 [[TMP28]] to ptr315; FUCHSIA-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP29]], i8 [[TMP25]], i64 1, i1 false)316; FUCHSIA-NEXT: ret void317;318; FUCHSIA-LIBCALL-LABEL: define void @test_alloca319; FUCHSIA-LIBCALL-SAME: () #[[ATTR0]] personality ptr @__hwasan_personality_thunk {320; FUCHSIA-LIBCALL-NEXT: entry:321; FUCHSIA-LIBCALL-NEXT: [[DOTHWASAN_SHADOW:%.*]] = call ptr asm "", "=r,0"(ptr null)322; FUCHSIA-LIBCALL-NEXT: [[TMP0:%.*]] = call i64 @llvm.read_register.i64(metadata [[META1:![0-9]+]])323; FUCHSIA-LIBCALL-NEXT: [[TMP1:%.*]] = call ptr @llvm.frameaddress.p0(i32 0)324; FUCHSIA-LIBCALL-NEXT: [[TMP2:%.*]] = ptrtoint ptr [[TMP1]] to i64325; FUCHSIA-LIBCALL-NEXT: [[TMP3:%.*]] = shl i64 [[TMP2]], 44326; FUCHSIA-LIBCALL-NEXT: [[TMP4:%.*]] = or i64 [[TMP0]], [[TMP3]]327; FUCHSIA-LIBCALL-NEXT: call void @__hwasan_add_frame_record(i64 [[TMP4]])328; FUCHSIA-LIBCALL-NEXT: [[TMP5:%.*]] = lshr i64 [[TMP2]], 20329; FUCHSIA-LIBCALL-NEXT: [[HWASAN_STACK_BASE_TAG:%.*]] = xor i64 [[TMP2]], [[TMP5]]330; FUCHSIA-LIBCALL-NEXT: [[HWASAN_UAR_TAG:%.*]] = lshr i64 [[TMP2]], 56331; FUCHSIA-LIBCALL-NEXT: [[X:%.*]] = alloca { i32, [12 x i8] }, align 16332; FUCHSIA-LIBCALL-NEXT: [[TMP6:%.*]] = xor i64 [[HWASAN_STACK_BASE_TAG]], 0333; FUCHSIA-LIBCALL-NEXT: [[TMP7:%.*]] = ptrtoint ptr [[X]] to i64334; FUCHSIA-LIBCALL-NEXT: [[TMP8:%.*]] = and i64 [[TMP7]], 72057594037927935335; FUCHSIA-LIBCALL-NEXT: [[TMP9:%.*]] = shl i64 [[TMP6]], 56336; FUCHSIA-LIBCALL-NEXT: [[TMP10:%.*]] = or i64 [[TMP8]], [[TMP9]]337; FUCHSIA-LIBCALL-NEXT: [[X_HWASAN:%.*]] = inttoptr i64 [[TMP10]] to ptr338; FUCHSIA-LIBCALL-NEXT: [[TMP11:%.*]] = trunc i64 [[TMP6]] to i8339; FUCHSIA-LIBCALL-NEXT: [[TMP12:%.*]] = ptrtoint ptr [[X]] to i64340; FUCHSIA-LIBCALL-NEXT: [[TMP13:%.*]] = and i64 [[TMP12]], 72057594037927935341; FUCHSIA-LIBCALL-NEXT: [[TMP14:%.*]] = lshr i64 [[TMP13]], 4342; FUCHSIA-LIBCALL-NEXT: [[TMP15:%.*]] = inttoptr i64 [[TMP14]] to ptr343; FUCHSIA-LIBCALL-NEXT: [[TMP16:%.*]] = getelementptr i8, ptr [[TMP15]], i32 0344; FUCHSIA-LIBCALL-NEXT: store i8 4, ptr [[TMP16]], align 1345; FUCHSIA-LIBCALL-NEXT: [[TMP17:%.*]] = getelementptr i8, ptr [[X]], i32 15346; FUCHSIA-LIBCALL-NEXT: store i8 [[TMP11]], ptr [[TMP17]], align 1347; FUCHSIA-LIBCALL-NEXT: call void @use(ptr [[X_HWASAN]])348; FUCHSIA-LIBCALL-NEXT: [[TMP18:%.*]] = trunc i64 [[HWASAN_UAR_TAG]] to i8349; FUCHSIA-LIBCALL-NEXT: [[TMP19:%.*]] = ptrtoint ptr [[X]] to i64350; FUCHSIA-LIBCALL-NEXT: [[TMP20:%.*]] = and i64 [[TMP19]], 72057594037927935351; FUCHSIA-LIBCALL-NEXT: [[TMP21:%.*]] = lshr i64 [[TMP20]], 4352; FUCHSIA-LIBCALL-NEXT: [[TMP22:%.*]] = inttoptr i64 [[TMP21]] to ptr353; FUCHSIA-LIBCALL-NEXT: call void @llvm.memset.p0.i64(ptr align 1 [[TMP22]], i8 [[TMP18]], i64 1, i1 false)354; FUCHSIA-LIBCALL-NEXT: ret void355;356entry:357 %x = alloca i32, align 4358 call void @use(ptr %x)359 ret void360}361 362